Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"MEMS Accelerometer"”.
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Amplitude and frequency demodulation controller for MEMS accelerometer
Draper Laboratory is developing a high precision MEMS accelerometer. This thesis describes and analyzes the electronics which produce the acceleration estimate and control the actuators within the sensor. The Vector Readout method of amplitude and frequency demodulation is described and shown to be …
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Vehicle Axle Detection and Spacing Calibration Using MEMS Accelerometer
… An advanced microelectromechanical system (MEMS) accelerometer for vehicle classification based on axle count and spacing was designed, tested, and applied to the pavement. Vehicle-pavement interaction was collected by the vibration sensor while vehicle axle count and spacing were calibrated …
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Readout and control optimization for a high performance MEMS accelerometer
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Design and implementation of a preload electronics architecture for a MEMS accelerometer
… for a force-rebalanced microelectromechanical accelerometer. A feedback control loop is devised using a novel preload architecture, compensating the proof mass of the sensor and providing an accurate acceleration measurement. This architecture is compared to alternative methods of linearizing …
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The Relevance of Potential Indicators of External Load for Movement Evaluation in Elite Football Training
… into Micro-Electro-Mechanical Systems (MEMS) devices appear to be the technology that has been most widely adopted to determine activity (Akenhead & Nassis, 2016). The commonly used GPS technologies are regularly accompanied with tri-axial accelerometer within the MEMS hardware. It may …
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Wearable Heart Sound and EKG Recorder
… EKG signals and heart sounds (through custom MEMS accelerometer technology) over a period of two days. Hardware testing for the scope of this thesis exclusively involved healthy volunteers.</p>
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Novel Sensing Approaches towards Ultimate MEMS Sensors
… several micro and nano-electromechanical (MEMS and NEMS) accelerometers, magnetometers and vibration sensors utilizing various actuation and sensing mechanisms have been developed and demonstrated. These sensors are integral to various geographical, industrial, military, environmental and …
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Automated synthesis of mixed-technology MEMS systems with electronic control
Micro-Electro-Mechanical Systems (MEMS) design requires an integration of elements from two or more disparate physical domains: mechanical (translational, rotational, hydraulic), electrical, magnetic, thermal, etc. Different parts of a MEMS system are traditionally designed separately, using …